Portion of an ergonomic band for ear plugs



FIG. 1 is a perspective view of a portion of an ergonomic band for ear plugs showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being identical thereto;

FIG. 4 is a side view thereof, the opposite side elevational view being identical thereto;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top view thereof.

The broken lines shown in all views are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of an ergonomic band for ear plugs, as shown and described. 